8142.86% is the change from 7 to 577
Calculation steps:
[( 577 - 7 ) ÷ 7] x 100 = 8142.86%
Formula
Percentage change = [(577 - 7) / 7] x 100
Subtract the new number by the original number
577 - 7 = 570
570 ÷ 7 = 81.42857142857143
81.42857142857143 x 100 = 8142.86%